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What is the trick of knowing that a number is divisible by three?
Wiki User
∙ 12y ago
add the numbers up, then if it comes out to a multiple of 3, it is divisible
Divide the number by 3, and if the answer is not a whole number, it is not divisible. For instance, 1047 is divisible by 3. while 1045 would be impossible since it is a difference of only 2 from 1047.
Wiki User
∙ 12y ago
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Is 247 divisible by 2 3 5 9 or 10?
Not two ( the number is not even )Not five or ten ( dosent end with zero or five )Not nine ( Trick: 2+4+7=15 ) Not divisible by nineYes Three: 15 is divisible by threeNote: the trick only works with three and nine
Is 524 divisibility by 3?
no.. heres a trick: if you add together the numbers (5+2+4) and that answer equals a number that is divisible by 3 then the number is divisible by three 5+2+4=11 11 is not divisible by 3 therefore, 524 is not divisible by 3
Is seventy four in the four tables?
No. The number 74 is not divisible by 4. One trick is to add the digits of the number and see if it is divisible by four. this trick applies only to the number 4 7+4= 11 11 is not divisible by 4.
How many three digit numbers are divisible by 4?
Trick question all numbers are divisible by four ,but only 175 result in whole numbered answers
What is a trick to see if a number is divisble by 4?
It is enough to check whether the last two digits are divisible by 2.
Can 192 be dived by three?
yes. A quick trick is to add up the digits and see if that number is divisible by three. 1+9+2 = 12. 12 is divisible by 3.Therfore 192 is DIVISIBLE (not dived) by three,=OK
Is 247 divisible by 2 3 5 9 or 10?
Not two ( the number is not even )Not five or ten ( dosent end with zero or five )Not nine ( Trick: 2+4+7=15 ) Not divisible by nineYes Three: 15 is divisible by threeNote: the trick only works with three and nine
Is 524 divisibility by 3?
no.. heres a trick: if you add together the numbers (5+2+4) and that answer equals a number that is divisible by 3 then the number is divisible by three 5+2+4=11 11 is not divisible by 3 therefore, 524 is not divisible by 3
Is seventy four in the four tables?
No. The number 74 is not divisible by 4. One trick is to add the digits of the number and see if it is divisible by four. this trick applies only to the number 4 7+4= 11 11 is not divisible by 4.
What is the factor trick for 7?
If you double the last digit and subtract it from the rest of the number and the answer is zero or divisible by 7, then the whole number is divisible by 7.
Is 27 divisible by 3?
27 is divisible by three because the sum of 2 and 7 is divisible by three. However, this trick only works with the numbers 3 and 9. 27 divided by 3 is 9.
Is 8223 divisible by 2?
no. there is a trick to know if something is divisible by 2 and that is, if the number ends in a 2,4,6,8, or 0 it is divisible by 2 hope this helps. vvk
Is 108098 divisible by 5?
No, a trick you can use is that the ones place in the number has to either be a 5 or a 0 in order for it to be divisible by 5.
Is 19996 divisible by 3?
No, it is not evenly divisible by 3. The answer you get is 6,665.3333. A trick to tell is a number is divisible by 3 is to add up the digits and see if they are divisible by 3. In this case, 34 is not divisible by 3.
What number associate with a hat-trick?
The number three.
How many three digit numbers are divisible by 4?
Trick question all numbers are divisible by four ,but only 175 result in whole numbered answers
What digit can be placed 87 and 2 to make each number divisible by 3?
I don't completely understand the question, but there's a trick: A number is divisible by 3 if and only if the sum of its digits is divisible by 3. This should guide you to an answer.
